Plengrudsamee, N. (2023) “Depression and psychosocial factors related to depression in the elderly in Thungyang subdistrict, Laplae district, Uttaradit province”, Phetchabun Medical Journal . Phetchabun, Thailand, 3(3), pp. 271–86. available at: https://he03.tci-thaijo.org/index.php/PMJ/article/view/2919 (accessed: 23 September 2026).